JSON FilterSAFE

[](https://mseep.ai/app/kehvinbehvin-json-mcp-filter)

A powerful Model Context Protocol (MCP) server that provides JSON schema generation and filtering tools for local files and remote HTTP/HTTPS endpoints. Built with quicktype for robust TypeScript type generation.

Perfect for: Filtering large JSON files and API responses to extract only relevant data for LLM context, while maintaining type safety.

✨ Key Features

• 🔄 Schema Generation - Convert JSON to TypeScript interfaces using quicktype
• 🎯 Smart Filtering - Extract specific fields with shape-based filtering
• 🌐 Remote Support - Works with HTTP/HTTPS URLs and API endpoints
• 📦 Auto Chunking - Handles large datasets with automatic 400KB chunking
• 🛡️ Size Protection - Built-in 50MB limit with memory safety
• ⚡ MCP Ready - Seamless integration with Claude Desktop and Claude Code
• 🚨 Smart Errors - Clear, actionable error messages with debugging info

🛠️ Available Tools

json_schema

Generates TypeScript interfaces from JSON data.

Parameters:

• filePath: Local file path or HTTP/HTTPS URL

Example:

// Input JSON
{"name": "John", "age": 30, "city": "New York"}

// Generated TypeScript
export interface GeneratedType {
name: string;
age:  number;
city: string;
}

json_filter

Extracts specific fields using shape-based filtering with automatic chunking for large datasets.

Parameters:

• filePath: Local file path or HTTP/HTTPS URL
• shape: Object defining which fields to extract
• chunkIndex (optional): Chunk index for large datasets (0-based)

Auto-Chunking:

• ≤400K